<template>
  <div id="aCoursesList" class="bg-fa of">

    <!-- /课程详情 开始 -->
    <section class="container" v-if="CourseInfo">
      <section class="path-wrap txtOf hLh30">
        <a href="#" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14" >{{CourseInfo.subjectLevelOne}}</a>
        \
        <span class="c-333 fsize14">{{CourseInfo.subjectLevelTwo}}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img :src="CourseInfo.cover" height="357px" :alt="CourseInfo.title" class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24" >{{CourseInfo.title}}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{CourseInfo.price}}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{CourseInfo.teacherName}}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#" >收藏</a>
              </span>
            </section>
            <section class="c-attr-mt" v-if="Number(CourseInfo.price)===0  ">
              <a  title="立即观看" class="comm-btn c-btn-3" :href="'/player/'+chapterVideoList[0].children[0].videoSourceId" >立即观看</a>
            </section>
            
            <section class="c-attr-mt" v-else >
              <a href="#" title="立即观看" class="comm-btn c-btn-3" @click="toOrder()" >立即购买</a>
            </section>

            
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol clearfix">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{CourseInfo.buyCount}}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{CourseInfo.lessonNum}}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{CourseInfo.viewCount}}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" class="current" title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <p v-html="CourseInfo.description">
                      {{CourseInfo.description}}
                      </p>
                    </section>
                  </div>
                </div>
                
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterVideoList" :key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                            </a>

                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.children" :key="video.id">
                                <a :href="'/player/'+video.videoSourceId" target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{video.title}}
                                </a>
                              </li>
                             
                            </ol>
                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img :src="CourseInfo.avatar" width="50" height="50" alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" href="#">{{CourseInfo.teacherName}}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{CourseInfo.intro}}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->

<div class="mt50 commentHtml"><div>
<h6 class="c-c-content c-infor-title" id="i-art-comment">
<span class="commentTitle">课程评论</span>
</h6>
<section class="lh-bj-list pr mt20 replyhtml">
<ul>
<li class="unBr">
<aside class="noter-pic">
<img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
</aside>
<div class="of">
<section class="n-reply-wrap">
<fieldset>
<textarea name="" v-model="comment.content" placeholder="输入您要
评论的文字" id="commentContent"></textarea>
</fieldset>
<p class="of mt5 tar pl10 pr10">
<span class="fl "><tt class="c-red commentContentmeg"
style="display: none;"></tt></span>
<input type="button" @click="addComment()" value="回复"
class="lh-reply-btn">
</p>
</section>
</div>
</li>
</ul>
</section>
<section class="">
<section class="question-list lh-bj-list pr">
<ul class="pr10">
<li v-for="(comment,index) in data.items" v-bind:key="index">
<aside class="noter-pic">
<img width="50" height="50" class="picImg"
:src="comment.avatar">
</aside>
<div class="of">
<span class="fl">
<font class="fsize12 c-blue">
 {{comment.nickname}}</font>
<font class="fsize12 c-999 ml5">评论：</font></span>
</div>
<div class="noter-txt mt5">
<p>{{comment.content}}</p>
</div>
<div class="of mt5">
<span class="fr"><font class="fsize12 c-999
ml5">{{comment.gmtCreate}}</font></span>
</div>
</li>
</ul>
</section>
</section>
<!-- 公共分页 开始 -->
<div class="paging">
<!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
<a
:class="{undisable: !data.hasPrevious}"
href="#"
title="首页"
@click.prevent="gotoPage(1)">首</a>
<a
:class="{undisable: !data.hasPrevious}"
href="#"
title="前一页"


@click.prevent="gotoPage(data.current-1)">&lt;</a>
<a
v-for="page in data.pages"
:key="page"
:class="{current: data.current == page, undisable: data.current ==
page}"
:title="'第'+page+'页'"
href="#"
@click.prevent="gotoPage(page)">{{ page }}</a>
<a
:class="{undisable: !data.hasNext}"
href="#"
title="后一页"
@click.prevent="gotoPage(data.current+1)">&gt;</a>
<a
:class="{undisable: !data.hasNext}"
href="#"
title="末页"
@click.prevent="gotoPage(data.pages)">末</a>
<div class="clear"/>
</div>
<!-- 公共分页 结束 -->
</div>
</div>

  </div>
</template>

<script>
import courseApi from '@/api/course'
import orderApi from '@/api/order'
import commentApi from '@/api/comment'
export default {
   asyncData({params,error}){

         return{
            courseId:params.id
         }     
          },


data(){
          return{
              data:{
                
              },
             
     comment:{
         
      },

    CourseInfo: {},
    chapterVideoList: [],
    isbuyCourse: false,

          }
      },
      
      
     
created(){
        this.toCourseInfo()
        this.showComment()
        
      },
methods:{
        //查看课程信息  并看是否购买
        toCourseInfo(){
            courseApi.getCourseInfo(this.courseId).then(response=>{
                
             this.chapterVideoList= response.data.data.chapterVideo,
               this.CourseInfo=response.data.data.courseWebVo
               
               // this.isbuyCourse=response.data.data.isbuy                                         
      })
        },
        toOrder(){
             orderApi.createOrder(this.courseId).then(response=>{
             this.$router.push({path:'/order/'+response.data.data.orderNo}) 

          })
        },
        showComment(){
            commentApi.getComment(1,5,this.courseId).then(response=>{
                  this.data=response.data.data,
                  this.comment.courseId=this.courseId
            })  

        },
        gotoPage(page){
                commentApi.getComment(page,5,this.courseId).then(response=>{
                  this.data=response.data.data
            })  
        },
        addComment(){
              commentApi.addComment(this.comment).then(response=>{
                 this.$message({
                            type: 'success',
                            message: '评论成功!'
                        })
              })
        }
         
      }

     
  

};
</script>
